Go ahead, try it. Step outside tonight and glance skyward, pick any star and then visualize its own rocky, Earthy little ball orbiting around it, with some form of life potentially dancing a tango on top.

Your cell phone is very unlikely to cause a crash, but look at it from the FAA's perspective. There is a very, very small chance that the seven seconds it takes to turn off your phone and the 30 seconds it takes to turn it back on could save 300 lives.